linux-kernel - [PATCH linux-next] perf test: use strscpy() is more robust and safer

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Date:   Thu, 22 Sep 2022 01:35:56 +0000
From:   cgel.zte@...il.com
To:     acme@...nel.org
Cc:     mingo@...hat.com, mark.rutland@....com,
        alexander.shishkin@...ux.intel.com, jolsa@...nel.org,
        namhyung@...nel.org, irogers@...gle.com,
        linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org,
        ye xingchen <ye.xingchen@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] perf test: use strscpy() is more robust and safer

From: ye xingchen <ye.xingchen@....com.cn>

The implementation of strscpy() is more robust and safer.

That's now the recommended way to copy NUL terminated strings.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: ye xingchen <ye.xingchen@....com.cn>
---
 tools/perf/tests/dlfilter-test.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/tests/dlfilter-test.c b/tools/perf/tests/dlfilter-test.c
index 84352d55347d..bbb79e98294c 100644
--- a/tools/perf/tests/dlfilter-test.c
+++ b/tools/perf/tests/dlfilter-test.c
@@ -233,7 +233,7 @@ static int get_dlfilters_path(char *buf, size_t sz)
 		if (access(path, R_OK))
 			return -1;
 	}
-	strlcpy(buf, dirname(path), sz);
+	strscpy(buf, dirname(path), sz);
 	return 0;
 }
 
-- 
2.25.1